package com.common.utils;

public class ChineseCalendar { 

	  // Array lIntLunarDay is stored in the monthly day information in every year from 1901 to 2100 of the lunar calendar,
	  // The lunar calendar can only be 29 or 30 days every month, express with 12(or 13) pieces of binary bit in one year,
	  // it is 30 days for 1 form in the corresponding location , otherwise it is 29 days
	  private static final int[] iLunarMonthDaysTable = { 0x4ae0, 0xa570, 0x5268, 0xd260, 0xd950, 0x6aa8, 0x56a0, 0x9ad0, 0x4ae8,
	      0x4ae0, // 1910 
	      0xa4d8, 0xa4d0, 0xd250, 0xd548, 0xb550, 0x56a0, 0x96d0, 0x95b0, 0x49b8, 0x49b0, // 1920
	      0xa4b0, 0xb258, 0x6a50, 0x6d40, 0xada8, 0x2b60, 0x9570, 0x4978, 0x4970, 0x64b0, // 1930
	      0xd4a0, 0xea50, 0x6d48, 0x5ad0, 0x2b60, 0x9370, 0x92e0, 0xc968, 0xc950, 0xd4a0, // 1940
	      0xda50, 0xb550, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950, 0xb4a8, 0x6ca0, // 1950
	      0xb550, 0x55a8, 0x4da0, 0xa5b0, 0x52b8, 0x52b0, 0xa950, 0xe950, 0x6aa0, 0xad50, // 1960
	      0xab50, 0x4b60, 0xa570, 0xa570, 0x5260, 0xe930, 0xd950, 0x5aa8, 0x56a0, 0x96d0, // 1970
	      0x4ae8, 0x4ad0, 0xa4d0, 0xd268, 0xd250, 0xd528, 0xb540, 0xb6a0, 0x96d0, 0x95b0, // 1980
	      0x49b0, 0xa4b8, 0xa4b0, 0xb258, 0x6a50, 0x6d40, 0xada0, 0xab60, 0x9370, 0x4978, // 1990
	      0x4970, 0x64b0, 0x6a50, 0xea50, 0x6b28, 0x5ac0, 0xab60, 0x9368, 0x92e0, 0xc960, // 2000
	      0xd4a8, 0xd4a0, 0xda50, 0x5aa8, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950, // 2010
	      0xb4a0, 0xb550, 0xb550, 0x55a8, 0x4ba0, 0xa5b0, 0x52b8, 0x52b0, 0xa930, 0x74a8, // 2020
	      0x6aa0, 0xad50, 0x4da8, 0x4b60, 0x9570, 0xa4e0, 0xd260, 0xe930, 0xd530, 0x5aa0, // 2030
	      0x6b50, 0x96d0, 0x4ae8, 0x4ad0, 0xa4d0, 0xd258, 0xd250, 0xd520, 0xdaa0, 0xb5a0, // 2040
	      0x56d0, 0x4ad8, 0x49b0, 0xa4b8, 0xa4b0, 0xaa50, 0xb528, 0x6d20, 0xada0, 0x55b0 // 2050
	  }; 

	  // Array iLunarLeapMonthTable preserves the lunar calendar leap month from 1901 to 2050,
	  // if it is 0 express not to have , every byte was stored for two years 
	  private static final char[] iLunarLeapMonthTable = { 0x00, 0x50, 0x04, 0x00, 0x20, // 1910
	      0x60, 0x05, 0x00, 0x20, 0x70, // 1920 
	      0x05, 0x00, 0x40, 0x02, 0x06, // 1930 
	      0x00, 0x50, 0x03, 0x07, 0x00, // 1940 
	      0x60, 0x04, 0x00, 0x20, 0x70, // 1950 
	      0x05, 0x00, 0x30, 0x80, 0x06, // 1960 
	      0x00, 0x40, 0x03, 0x07, 0x00, // 1970 
	      0x50, 0x04, 0x08, 0x00, 0x60, // 1980 
	      0x04, 0x0a, 0x00, 0x60, 0x05, // 1990 
	      0x00, 0x30, 0x80, 0x05, 0x00, // 2000 
	      0x40, 0x02, 0x07, 0x00, 0x50, // 2010 
	      0x04, 0x09, 0x00, 0x60, 0x04, // 2020 
	      0x00, 0x20, 0x60, 0x05, 0x00, // 2030 
	      0x30, 0xb0, 0x06, 0x00, 0x50, // 2040 
	      0x02, 0x07, 0x00, 0x50, 0x03 // 2050 
	  }; 

	  // Array iSolarLunarTable stored the offset days 
	  // in New Year of solar calendar and lunar calendar from 1901 to 2050; 
	  private static final char[] iSolarLunarOffsetTable = { 49, 38, 28, 46, 34, 24, 43, 32, 21, 40, // 1910
	      29, 48, 36, 25, 44, 34, 22, 41, 31, 50, // 1920 
	      38, 27, 46, 35, 23, 43, 32, 22, 40, 29, // 1930 
	      47, 36, 25, 44, 34, 23, 41, 30, 49, 38, // 1940 
	      26, 45, 35, 24, 43, 32, 21, 40, 28, 47, // 1950 
	      36, 26, 44, 33, 23, 42, 30, 48, 38, 27, // 1960 
	      45, 35, 24, 43, 32, 20, 39, 29, 47, 36, // 1970 
	      26, 45, 33, 22, 41, 30, 48, 37, 27, 46, // 1980 
	      35, 24, 43, 32, 50, 39, 28, 47, 36, 26, // 1990 
	      45, 34, 22, 40, 30, 49, 37, 27, 46, 35, // 2000 
	      23, 42, 31, 21, 39, 28, 48, 37, 25, 44, // 2010 
	      33, 23, 41, 31, 50, 39, 28, 47, 35, 24, // 2020 
	      42, 30, 21, 40, 28, 47, 36, 25, 43, 33, // 2030 
	      22, 41, 30, 49, 37, 26, 44, 33, 23, 42, // 2040 
	      31, 21, 40, 29, 47, 36, 25, 44, 32, 22, // 2050 
	  }; 

	  static boolean bIsSolarLeapYear(int iYear) { 
	    return ((iYear % 4 == 0) && (iYear % 100 != 0) || iYear % 400 == 0); 
	  } 

	  // The days in the month of solar calendar 
	  static int iGetSYearMonthDays(int iYear, int iMonth) { 
	    if ((iMonth == 1) || (iMonth == 3) || (iMonth == 5) || (iMonth == 7) || (iMonth == 8) || (iMonth == 10) || (iMonth == 12))
	      return 31; 
	    else if ((iMonth == 4) || (iMonth == 6) || (iMonth == 9) || (iMonth == 11)) 
	      return 30; 
	    else if (iMonth == 2) { 
	      if (bIsSolarLeapYear(iYear)) 
	        return 29; 
	      else 
	        return 28; 
	    } else 
	      return 0; 
	  } 

	  // The offset days from New Year and the day when point out in solar calendar 
	  static int iGetSNewYearOffsetDays(int iYear, int iMonth, int iDay) { 
	    int iOffsetDays = 0; 

	    for (int i = 1; i < iMonth; i++) { 
	      iOffsetDays += iGetSYearMonthDays(iYear, i); 
	    } 
	    iOffsetDays += iDay - 1; 

	    return iOffsetDays; 
	  } 

	  static int iGetLLeapMonth(int iYear) { 
	    char iMonth = iLunarLeapMonthTable[(iYear - 1901) / 2]; 

	    if (iYear % 2 == 0) 
	      return (iMonth & 0x0f); 
	    else 
	      return (iMonth & 0xf0) >> 4; 
	  } 

	  static int iGetLMonthDays(int iYear, int iMonth) { 
	    int iLeapMonth = iGetLLeapMonth(iYear); 
	    if ((iMonth > 12) && (iMonth - 12 != iLeapMonth) || (iMonth < 0)) { 
	      System.out.println("Wrong month, ^_^ , i think you are want a -1, go to death!");
	      return -1; 
	    } 
	    if (iMonth - 12 == iLeapMonth) { 
	      if ((iLunarMonthDaysTable[iYear - 1901] & (0x8000 >> iLeapMonth)) == 0) 
	        return 29; 
	      else 
	        return 30; 
	    } 
	    if ((iLeapMonth > 0) && (iMonth > iLeapMonth)) 
	      iMonth++; 
	    if ((iLunarMonthDaysTable[iYear - 1901] & (0x8000 >> (iMonth - 1))) == 0) 
	      return 29; 
	    else 
	      return 30; 
	  } 

	  // Days in this year of lunar calendar 
	  static int iGetLYearDays(int iYear) { 
	    int iYearDays = 0; 
	    int iLeapMonth = iGetLLeapMonth(iYear); 

	    for (int i = 1; i < 13; i++) 
	      iYearDays += iGetLMonthDays(iYear, i); 
	    if (iLeapMonth > 0) 
	      iYearDays += iGetLMonthDays(iYear, iLeapMonth + 12); 
	    return iYearDays; 
	  } 

	  static int iGetLNewYearOffsetDays(int iYear, int iMonth, int iDay) { 
	    int iOffsetDays = 0; 
	    int iLeapMonth = iGetLLeapMonth(iYear); 

	    if ((iLeapMonth > 0) && (iLeapMonth == iMonth - 12)) { 
	      iMonth = iLeapMonth; 
	      iOffsetDays += iGetLMonthDays(iYear, iMonth); 
	    } 

	    for (int i = 1; i < iMonth; i++) { 
	      iOffsetDays += iGetLMonthDays(iYear, i); 
	      if (i == iLeapMonth) 
	        iOffsetDays += iGetLMonthDays(iYear, iLeapMonth + 12); 
	    } 
	    iOffsetDays += iDay - 1; 

	    return iOffsetDays; 
	  } 

	  // The solar calendar is turned into the lunar calendar 
	  static String sCalendarSolarToLundar(int iYear, int iMonth, int iDay) { 
	    int iLDay, iLMonth, iLYear; 
	    int iOffsetDays = iGetSNewYearOffsetDays(iYear, iMonth, iDay); 
	    int iLeapMonth = iGetLLeapMonth(iYear); 

	    if (iOffsetDays < iSolarLunarOffsetTable[iYear - 1901]) { 
	      iLYear = iYear - 1; 
	      iOffsetDays = iSolarLunarOffsetTable[iYear - 1901] - iOffsetDays; 
	      iLDay = iOffsetDays; 

	      for (iLMonth = 12; iOffsetDays > iGetLMonthDays(iLYear, iLMonth); iLMonth--) { 
	        iLDay = iOffsetDays; 
	        iOffsetDays -= iGetLMonthDays(iLYear, iLMonth); 
	      } 
	      if (0 == iLDay) 
	        iLDay = 1; 
	      else 
	        iLDay = iGetLMonthDays(iLYear, iLMonth) - iOffsetDays + 1; 
	    } else { 
	      iLYear = iYear; 
	      iOffsetDays -= iSolarLunarOffsetTable[iYear - 1901]; 
	      iLDay = iOffsetDays + 1; 

	      for (iLMonth = 1; iOffsetDays >= 0; iLMonth++) { 
	        iLDay = iOffsetDays + 1; 
	        iOffsetDays -= iGetLMonthDays(iLYear, iLMonth); 
	        if ((iLeapMonth == iLMonth) && (iOffsetDays > 0)) { 
	          iLDay = iOffsetDays; 
	          iOffsetDays -= iGetLMonthDays(iLYear, iLMonth + 12); 
	          if (iOffsetDays <= 0) { 
	            iLMonth += 12 + 1; 
	            break; 
	          } 
	        } 
	      } 
	      iLMonth--; 
	    } 
	    return "" + iLYear + (iLMonth > 9 ? "" + iLMonth : "0" + iLMonth) + (iLDay > 9 ? "" + iLDay : "0" + iLDay);
	  } 
	  public static String solarToLundar(String dateStr){
		  Integer iYear = Integer.valueOf(dateStr.substring(0, 4));
		  Integer iMonth = Integer.valueOf(dateStr.substring(5, 7));
		  Integer iDay = Integer.valueOf(dateStr.substring(8, 10));
		  return sCalendarSolarToLundar(iYear, iMonth, iDay);
	  }
	  // The lunar calendar is turned into the Solar calendar 
	  static String sCalendarLundarToSolar(int iYear, int iMonth, int iDay) { 
	    int iSYear, iSMonth, iSDay; 
	    int iOffsetDays = iGetLNewYearOffsetDays(iYear, iMonth, iDay) + iSolarLunarOffsetTable[iYear - 1901];
	    int iYearDays = bIsSolarLeapYear(iYear) ? 366 : 365; 

	    if (iOffsetDays >= iYearDays) { 
	      iSYear = iYear + 1; 
	      iOffsetDays -= iYearDays; 
	    } else { 
	      iSYear = iYear; 
	    } 
	    iSDay = iOffsetDays + 1; 
	    for (iSMonth = 1; iOffsetDays >= 0; iSMonth++) { 
	      iSDay = iOffsetDays + 1; 
	      iOffsetDays -= iGetSYearMonthDays(iSYear, iSMonth); 
	    } 
	    iSMonth--; 

	    return "" + iSYear + (iSMonth > 9 ? iSMonth + "" : "0" + iSMonth) + (iSDay > 9 ? iSDay + "" : "0" + iSDay);
	  } 
	} 

	// 自定义星期类 
	class Week { 
	  int iWeek; 

	  private String sWeek[] = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" };

	  public Week() { 
	    iWeek = 0; 
	  } 

	  public Week(int w) { 
	    if ((w > 6) || (w < 0)) { 
	      System.out.println("Week out of range, I think you want Sunday"); 
	      this.iWeek = 0; 
	    } else 
	      this.iWeek = w; 
	  } 

	  public String toString() { 
	    return sWeek[iWeek]; 
	  } 
	} 

	// 自定义日期类 
	class MyDate { 

	  public int iYear; 

	  public int iMonth; 

	  public int iDay; 

	  private static int checkYear(int iYear) { 
	    if ((iYear > 1901) && (iYear < 2050)) 
	      return iYear; 
	    else { 
	      System.out.println("The Year out of range, I think you want 1981"); 
	      return 1981; 
	    } 
	  } 

	  public MyDate(int iYear, int iMonth, int iDay) { 
	    this.iYear = checkYear(iYear); 
	    this.iMonth = iMonth; 
	    this.iDay = iDay; 
	  } 

	  public MyDate(int iYear, int iMonth) { 
	    this.iYear = checkYear(iYear); 
	    this.iMonth = iMonth; 
	    this.iDay = 1; 
	  } 

	  public MyDate(int iYear) { 
	    this.iYear = checkYear(iYear); 
	    this.iMonth = 1; 
	    this.iDay = 1; 
	  } 

	  public MyDate() { 
	    this.iYear = 1981; 
	    this.iMonth = 1; 
	    this.iDay = 1; 
	  } 

	  public String toString() { 
	    return "" + this.iYear + (this.iMonth > 9 ? "" + this.iMonth : "0" + this.iMonth)
	        + (this.iDay > 9 ? "" + this.iDay : "0" + this.iDay); 
	  } 

	  public boolean equals(MyDate md) { 
	    return ((md.iDay == this.iDay) && (md.iMonth == this.iMonth) && (md.iYear == this.iYear));
	  } 
	} 

	// 阳历日期类,继承自定义日期 
	class SolarDate extends MyDate { 

	  private static int checkMonth(int iMonth) { 
	    if (iMonth > 12) { 
	      System.out.println("Month out of range, I think you want 12 "); 
	      return 12; 
	    } else if (iMonth < 1) { 
	      System.out.println("Month out of range, I think you want 1 "); 
	      return 1; 
	    } else 
	      return iMonth; 
	  } 

	  private static int checkDay(int iYear, int iMonth, int iDay) { 
	    int iMonthDays = ChineseCalendar.iGetSYearMonthDays(iYear, iMonth); 

	    if (iDay > iMonthDays) { 
	      System.out.println("Day out of range, I think you want " + iMonthDays + " ");
	      return iMonthDays; 
	    } else if (iDay < 1) { 
	      System.out.println("Day out of range, I think you want 1 "); 
	      return 1; 
	    } else 
	      return iDay; 
	  } 

	  public SolarDate(int iYear, int iMonth, int iDay) { 
	    super(iYear); 
	    this.iMonth = checkMonth(iMonth); 
	    this.iDay = checkDay(this.iYear, this.iMonth, iDay); 
	  } 

	  public SolarDate(int iYear, int iMonth) { 
	    super(iYear); 
	    this.iMonth = checkMonth(iMonth); 
	  } 

	  public SolarDate(int iYear) { 
	    super(iYear); 
	  } 

	  public SolarDate() { 
	    super(); 
	  } 

	  public String toString() { 
	    return "" + this.iYear + (this.iMonth > 9 ? "-" + this.iMonth : "-0" + this.iMonth) 
	        + (this.iDay > 9 ? "-" + this.iDay : "-0" + this.iDay); 
	  } 

	  public Week toWeek() { 
	    int iOffsetDays = 0; 
	    for (int i = 1901; i < iYear; i++) { 
	      if (ChineseCalendar.bIsSolarLeapYear(i)) 
	        iOffsetDays += 366; 
	      else 
	        iOffsetDays += 365; 
	    } 

	    iOffsetDays += ChineseCalendar.iGetSNewYearOffsetDays(iYear, iMonth, iDay); 
	    return new Week((iOffsetDays + 2) % 7); 
	  } 

	  public LunarDate toLunarDate() { 
	    int iYear, iMonth, iDay, iDate; 
	    LunarDate ld; 
	    iDate = Integer.parseInt(ChineseCalendar.sCalendarSolarToLundar(this.iYear, this.iMonth, this.iDay));
	    iYear = iDate / 10000; 
	    iMonth = iDate % 10000 / 100; 
	    iDay = iDate % 100; 
	    ld = new LunarDate(iYear, iMonth, iDay); 
	    return ld; 
	  } 
	} 

	// 阴历日期类,继承自定义日期类 
	class LunarDate extends MyDate { 

	  private String sChineseNum[] = { "零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十" }; 

	  private static int checkMonth(int iYear, int iMonth) { 
	    if ((iMonth > 12) && (iMonth == ChineseCalendar.iGetLLeapMonth(iYear) + 12)) { 
	      return iMonth; 
	    } else if (iMonth > 12) { 
	      System.out.println("Month out of range, I think you want 12 "); 
	      return 12; 
	    } else if (iMonth < 1) { 
	      System.out.println("Month out of range, I think you want 1 "); 
	      return 1; 
	    } else 
	      return iMonth; 
	  } 

	  private static int checkDay(int iYear, int iMonth, int iDay) { 
	    int iMonthDays = ChineseCalendar.iGetLMonthDays(iYear, iMonth); 

	    if (iDay > iMonthDays) { 
	      System.out.println("Day out of range, I think you want " + iMonthDays + " ");
	      return iMonthDays; 
	    } else if (iDay < 1) { 
	      System.out.println("Day out of range, I think you want 1 "); 
	      return 1; 
	    } else 
	      return iDay; 
	  } 

	  public LunarDate(int iYear, int iMonth, int iDay) { 
	    super(iYear); 
	    this.iMonth = checkMonth(this.iYear, iMonth); 
	    this.iDay = checkDay(this.iYear, this.iMonth, iDay); 
	  } 

	  public LunarDate(int iYear, int iMonth) { 
	    super(iYear); 
	    this.iMonth = checkMonth(this.iYear, iMonth); 
	  } 

	  public LunarDate(int iYear) { 
	    super(iYear); 
	  } 

	  public LunarDate() { 
	    super(); 
	  } 

	  public String toString() { 
	    String sCalendar = "农历"; 

	    sCalendar += sChineseNum[iYear / 1000] + sChineseNum[iYear % 1000 / 100] + sChineseNum[iYear % 100 / 10]
	        + sChineseNum[iYear % 10] + "(" + toChineseEra() + ")年"; 
	    if (iMonth > 12) { 
	      iMonth -= 12; 
	      sCalendar += "闰"; 
	    } 
	    if (iMonth == 12) 
	      sCalendar += "腊月"; 
	    else if (iMonth == 11) 
	      sCalendar += "冬月"; 
	    else if (iMonth == 1) 
	      sCalendar += "正月"; 
	    else 
	      sCalendar += sChineseNum[iMonth] + "月"; 
	    if (iDay > 29) 
	      sCalendar += "三十"; 
	    else if (iDay > 20) 
	      sCalendar += "二十" + sChineseNum[iDay % 20]; 
	    else if (iDay == 20) 
	      sCalendar += "二十"; 
	    else if (iDay > 10) 
	      sCalendar += "十" + sChineseNum[iDay % 10]; 
	    else 
	      sCalendar += "初" + sChineseNum[iDay]; 

	    return sCalendar; 
	  } 

	  public CnWeek toWeek() { 
	    int iOffsetDays = 0; 
	    for (int i = 1901; i < iYear; i++) 
	      iOffsetDays += ChineseCalendar.iGetLYearDays(i); 

	    iOffsetDays += ChineseCalendar.iGetLNewYearOffsetDays(iYear, iMonth, iDay); 
	    return new CnWeek((iOffsetDays + 2) % 7); 
	  } 

	  public ChineseEra toChineseEra() { 
	    return new ChineseEra(iYear); 
	  } 

	  public SolarDate toSolarDate() { 
	    int iYear, iMonth, iDay, iDate; 
	    SolarDate sd; 
	    iDate = Integer.parseInt(ChineseCalendar.sCalendarLundarToSolar(this.iYear, this.iMonth, this.iDay));
	    iYear = iDate / 10000; 
	    iMonth = iDate % 10000 / 100; 
	    iDay = iDate % 100; 
	    sd = new SolarDate(iYear, iMonth, iDay); 
	    return sd; 
	  } 
	} 

	class CnWeek extends Week { 

	  private String sCnWeek[] = { "日", "一", "二", "三", "四", "五", "六" }; 

	  public CnWeek() { 
	    super(); 
	  } 

	  public CnWeek(int iWeek) { 
	    super(iWeek); 
	  } 

	  public String toString() { 
	    return "星期" + sCnWeek[this.iWeek]; 
	  } 
	} 

	class ChineseEra { 
	  int iYear; 

	  String[] sHeavenlyStems = { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" }; 

	  String[] sEarthlyBranches = { "子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" }; 

	  public ChineseEra() { 
	    int iYear = 1981; 
	  } 

	  public ChineseEra(int iYear) { 
	    if ((iYear < 2050) && (iYear > 1901)) 
	      this.iYear = iYear; 
	    else 
	      this.iYear = 1981; 
	  } 

	  public String toString() { 
	    int temp; 
	    temp = Math.abs(iYear - 1924); 
	    return sHeavenlyStems[temp % 10] + sEarthlyBranches[temp % 12]; 
	  } 
	  
	  public  static void main(String[] args) { 
		  System.out.println(ChineseCalendar.sCalendarSolarToLundar(2016, 11, 19));
	  }
  }